Students benefit from later school start times with increased sleep duration, less sleepiness while doing homework and improved academic engagement, suggests a new study (n > 15,000 in grades 6-11, middle school changing from 8 to 8:50 am, high school changing from 7:10 to 8:20 am).

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Students benefit from later school start times with increased sleep duration, less sleepiness while doing homework and improved academic engagement, suggests a new study (n > 15,000 in grades 6-11, middle school changing from 8 to 8:50 am, high school changing from 7:10 to 8:20 am).